2258864 has 10 divisors (see below), whose sum is σ = 4376580. Its totient is φ = 1129424.

The previous prime is 2258863. The next prime is 2258873. The reversal of 2258864 is 4688522.

2258864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2258863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70574 + ... + 70605.

It is an arithmetic number, because the mean of its divisors is an integer number (437658).

2^2258864 is an apocalyptic number.

It is an amenable number.

2258864 is a deficient number, since it is larger than the sum of its proper divisors (2117716).

2258864 is a wasteful number, since it uses less digits than its factorization.

2258864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141187 (or 141181 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 2258864 is about 1502.9517623663. The cubic root of 2258864 is about 131.2089201748.

The spelling of 2258864 in words is "two million, two hundred fifty-eight thousand, eight hundred sixty-four".